[INFO] cloning repository https://github.com/ctiedt/fibonacci [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ctiedt/fibonacci" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctiedt%2Ffibonacci", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctiedt%2Ffibonacci'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7521ee6dbd9b97c3bb6187713df752f186ac09a7 [INFO] checking ctiedt/fibonacci against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctiedt%2Ffibonacci" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ctiedt/fibonacci on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ctiedt/fibonacci [INFO] finished tweaking git repo https://github.com/ctiedt/fibonacci [INFO] tweaked toml for git repo https://github.com/ctiedt/fibonacci written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/ctiedt/fibonacci already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a9fb3ec8a4effa7e1c58958227149f7e713e1429ece26412b12034b9c3dad90e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a9fb3ec8a4effa7e1c58958227149f7e713e1429ece26412b12034b9c3dad90e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a9fb3ec8a4effa7e1c58958227149f7e713e1429ece26412b12034b9c3dad90e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9fb3ec8a4effa7e1c58958227149f7e713e1429ece26412b12034b9c3dad90e", kill_on_drop: false }` [INFO] [stdout] a9fb3ec8a4effa7e1c58958227149f7e713e1429ece26412b12034b9c3dad90e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d74d1142e8f14078cc5a6436f1dc773ccf99c381d00da087f7db078a8943c93a [INFO] running `Command { std: "docker" "start" "-a" "d74d1142e8f14078cc5a6436f1dc773ccf99c381d00da087f7db078a8943c93a", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking cfg-if v0.1.5 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling proc-macro2 v0.4.12 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Compiling rayon v1.0.2 [INFO] [stderr] Checking byteorder v1.2.4 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking inflate v0.4.3 [INFO] [stderr] Checking gif v0.10.0 [INFO] [stderr] Checking deflate v0.7.18 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling quote v0.6.6 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Compiling syn v0.14.8 [INFO] [stderr] Checking num-integer v0.1.39 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Compiling num-derive v0.2.2 [INFO] [stderr] Checking image v0.19.0 [INFO] [stderr] Checking fibonacci v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.16s [INFO] running `Command { std: "docker" "inspect" "d74d1142e8f14078cc5a6436f1dc773ccf99c381d00da087f7db078a8943c93a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d74d1142e8f14078cc5a6436f1dc773ccf99c381d00da087f7db078a8943c93a", kill_on_drop: false }` [INFO] [stdout] d74d1142e8f14078cc5a6436f1dc773ccf99c381d00da087f7db078a8943c93a